CVE-2022-41317: Squid-Cache Squid

Medium severity, CVSS 6.5. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy via an HTTPS request to an internal cache manager URL. This is fixed in 5.7.

Affected products

• Squid-Cache Squid: from 4.9, up to and including 4.17; from 5.0.6, before 5.7 (fixed in 5.7)

Published 2022-12-25. Last modified 2026-06-17.